Presidential Communications Development and Strategic Planning Office & Quezon, M. L. I. (2014). The official calendar of the Republic of the Philippines: An almanac of Philippine commemorations : enlivened with illustrations and information. Presidential Communications Development and Strategic Planning Office.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Presidential Communications Development and Strategic Planning Office و Manuel L. III Quezon. The Official Calendar of the Republic of the Philippines: An Almanac of Philippine Commemorations : Enlivened with Illustrations and Information. Manila: Presidential Communications Development and Strategic Planning Office, 2014.
توثيق جمعية اللغة المعاصرة MLA (الإصدار التاسع)Presidential Communications Development and Strategic Planning Office و Manuel L. III Quezon. The Official Calendar of the Republic of the Philippines: An Almanac of Philippine Commemorations : Enlivened with Illustrations and Information. Presidential Communications Development and Strategic Planning Office, 2014.